<!DOCTYPE html><html><head>
  <title>NEGATED :only-child pseudo-class</title>
  <style type="text/css">.red { background-color : red }
p:not(:only-child) { background-color : lime }
div.testText > div > p { margin-left : 1em }
</style>
  <link rel="author" title="Daniel Glazman" href="http://glazman.org/">
  <link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch">
  <link rel="help" href="https://www.w3.org/TR/css3-selectors/#selectors"> <!-- bogus link to make sure it gets found -->
  <meta name="flags" content="">
 </head>
 <body>
 <p class="red">This paragraph should have a green background.</p>
 <div>This div contains only one paragraph.
  <p>This paragraph should be unstyled.</p>
 </div>

</body></html>